CVE-2025-56799

CVE-2025-56799 OS Command Injection Vulnerability via Cache Clearing Scheduler in Reolink Desktop Application 1. Overview Name : Reolink Desktop Application Version : 8.18.12 Vendor : Reolink CWE : CWE-78: Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection'...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...

CVE-2026-31431

CVE-2026-31431 - Copy Fail Copy Fail is a logic bug in the Linux kernel's crypto subsystem CVE-2026-31431. A 2017 optimization in algifaead.c accidentally placed page cache pages into a writable scatterlist. The authencesn AEAD algorithm writes 4 scratch bytes past the output boundary during...

copyfail-rs

copyfail-rs Copy Fail exploit CVE-2026-31431 but in Rust, a critical vulnerability chaining AFALG and splice to achieve a 4-byte page cache write, leading to local privilege escalation on major Linux distributions. Based on the research and PoC by Xint Code. Disclaimer !CAUTION This project is fo...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail 732 bytes. Any distro. Root. A straight-line logic flaw in the Linux kernel's authencesn cryptographic template enables an unprivileged local user to perform a precise, controlled 4-byte write into the page cache of any readable file — including setuid binaries. No race...

copyfail

Overview Copy Fail CVE-2026-31431 is a logical vulnerability in the Linux kernel that allows a local unprivileged user to escalate privileges to superuser root. The vulnerability belongs to the Local Privilege Escalation LPE class, does not require complex exploitation conditions such as race...

Copy-Fail-Exploit-CVE-2026-31431

Copy Fail CVE-2026-31431 – Exploit Usage Guide ⚠️ Disclaimer This content is for educational and authorized security testing purposes only. Do NOT run this on systems without explicit permission. 📌 Overview Copy Fail CVE-2026-31431 is a Linux Local Privilege Escalation LPE vulnerability affecting...

CVE-2026-31431

CVE-2026-31431: Copy Fail PoC + ARM64 Validation Copy Fail is a Linux local privilege escalation published by Theori/Xint as CVE-2026-31431. The project page describes a logic bug in authencesn that can be reached through AFALG and splice, producing a small page-cache write against a setuid binar...

CVE-2026-109829

The undici HTTP client library for Node.js versions 7.0.0–7.30.0 and 8.0.0–8.12.1 is vulnerable to cache poisoning and cross-user disclosure via cross-origin redirects. This occurs when an originless Agent uses a shared cache store and composes redirect and cache interceptors in a specific order,...

cve-2026-31431

CVE-2026-31431 — "Copy Fail" Research Repository A 100% reliable Linux local privilege escalation affecting every mainstream distribution since 2017. One logic bug in authencesn, chained through AFALG and splice into a 4-byte page-cache write — silently exploitable for nearly a decade. ⚠️...

CVE-2025-40778

CVE-2025-40778 Proof of Concept Educational demonstration of DNS Cache Poisoning vulnerability via Additional Records injection. ⚠️ Disclaimer FOR EDUCATIONAL PURPOSES ONLY This tool is provided for educational and authorized security testing purposes only. Unauthorized use of this tool against...

COPY-FAIL-Detection-with-Wazuh-4.14.4

COPY FAIL Detection with Wazuh 4.14.4 - CVE-2026-31431 Detection engineering for the Copy Fail kernel LPE · Ubuntu / RHEL / SUSE / Amazon Linux 2023 / Kali What is Copy Fail? CVE-2026-31431 is a logic bug in the Linux kernel's authencesn cryptographic template. It allows any unprivileged local us...

copy-fail-mitigate-no-reboot

copy-fail-mitigate Minimal no-reboot mitigation helper for Copy Fail / CVE-2026-31431. This script disables the vulnerable algifaead module path and attempts to unload the module immediately. It also performs a best-effort page-cache eviction for /usr/bin/su. This is a mitigation, not a kernel fi...

CVE_2026_31431

CVE-2026-31431 Copy Fail – a 4‑byte page‑cache write primitive in the Linux kernel's authencesn AEAD template, exploitable via AFALG + splice. CVE-2026-31431 is a deterministic, race‑free logic bug in the Linux kernel. An unprivileged local user can overwrite 4 bytes in the page‑cache of any...

CVE-2026-31431

CVE-2026-31431 — "Copy Fail" Local Privilege Escalation Overview CVE-2026-31431 is a local privilege escalation vulnerability in the Linux kernel's algifaead subsystem. The authencesn AEAD implementation performs an in-place decrypt via splice2, placing a page-cache page into the destination...

dirtyfrag-patches

Dirty Frag — Kernel Patches Patch series for the Dirty Frag vulnerability class discovered by Hyunwoo Kim @v4bel. Dirty Frag allows an unprivileged local user to overwrite arbitrary bytes of the page cache of read-only files e.g. /usr/bin/su, /etc/passwd leading to local privilege escalation to...

copyfailautopatch

copyfailautopatch Detect and optionally mitigate CVE-2026-31431 "Copy Fail" on a Linux host. The vulnerability is a page-cache write primitive reachable through the AFALG socket family using the authencesnhmacsha256,cbcaes AEAD transform. This script reproduces the same primitive Theori...

CVE-2026-31431

CVE-2026-31431 — Copy Fail 中文版 732 Bytes to Root on Every Major Linux Distribution CVE-2026-31431 Copy Fail is a logic bug in the Linux kernel's authencesn cryptographic template. It allows an unprivileged local user to trigger a deterministic, controlled 4-byte write into the page cache of any...

CVE-2026-31431-exp

Adapted from https://github.com/theori-io/copy-fail-CVE-2026-31431. Added payload encryption and obfuscation, cache write-back to improve system stability, adaptive chunking, zero dependencies, multi-architecture support x86, arm, i386, etc., and other features. In theory, it can be exploited on...

CVE-2026-31431-Copy-Fail---Vulnerability-Detection-Script

CVE-2026-31431 — Copy Fail — Vulnerability Detection Script Detection only. A working PoC already exists at copy.fail/exploit. This script is for sysadmins and security teams determining where they are vulnerable — or still vulnerable after patching. What's this about? On April 29th 2026, a...